Fig. 9

Ink-vinegar stained roots and rhizoids. a-b Detail from a D. antarctica root fragment at P4 with the presence of Olpidium spp. resting spores (arrow). c Detail from a D. antarctica root fragment at C4 with no sign of endosymbionts. d-e Gametophyte from mosses growing at Collins’ Outcrop (C2, C3) with no signs of endosymbionts. e-f Fungal structures in the rhizoidosphere without penetration (arrow) (C2, C3). Mycorrhiza was absent at all samples